Knoxville Weather Forecast

    • 72
    • 86

    Rain Showers Likely

    • 64
    • 84

    Chance Thunderstorms

    • 63
    • 81

    Mostly Sunny

    • 67
    • 83

    Rain Showers

    • 60
    • 78

    Partly Sunny

    • 59
    • 76

    Partly Sunny

    • 61
    • 77

    Partly Sunny

Today 15 Aug Knox

Mostly cloudy. Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 15 Aug Knox

Mostly cloudy with a chance of Thunderstorms. A chance of Showers this Evening, then Showers likely after midnight. Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Knoxville Temperature Statistics

August Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 3 August, 2026

    57.7 °F

  • Average August

    73.6 °F

  • Highest 10 August, 2026

    88.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
Get WillyWeather+ to remove ads